Blue John

Mellite

Blue John Vs Mellite

Blue John

Mellite

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Astrology

Origin

Southern and central Africa

Color

White, Colorless, Blue, Red, Green, Yellow, Violet

Brown, Brownish, White, Colorless, Yellow

Streak

White

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.00-3.251.58-1.60

1 7.18

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Fracture

Conchoidal

Cleavage

Perfect

{011} Imperfect

Mohs Hardness

-99992

2 10

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Chemical Composition

CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous

Pleochroism

Weak: yellowish brown yellowAnthony et al

Dispersion

0.020.01

0.005 1

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Transparency

Transparent

Refractive Index

1.432-1.4361.509-1.541

1 3.25

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Optic Character

Crystal System

Birefringence

-99990.030

0 0.296

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Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Good

Reproductive

Digestive

Psychology

Harmony

Happiness

Healing

Emotional healing

Qualities Associated

Mental Clarity

Abundance

Blue John Vs Mellite Fracture

Fracture is an important parameter when you compare Blue John and Mellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Blue John Vs Mellite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Mellite fracture is Conchoidal.

Compare Blue Gemstones

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Blue John Vs Chrome Tourmaline

Blue John Vs Mellite Luster

A primary knowledge about Blue John vs Mellite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Mellite, on other hand, exhibits Vitreous luster.